package com.gao.controller;

import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.IncorrectCredentialsException;
import org.apache.shiro.authc.UnknownAccountException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.session.Session;
import org.apache.shiro.subject.Subject;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

/**
 * @Projectname springboot-08-shiro
 * @Filename MyController
 * @Author an
 * @Data 2022/8/14 18:44
 * @Description TODO
 */
@Controller
public class MyController {

    @GetMapping({"/","/index"})
    public String toIndex(Model model){
        model.addAttribute("msg","hello,shiro");
        return "index";
    }

    @RequestMapping("/user/add")
    public String add(){
        return "user/add";
    }

    @RequestMapping("/user/update")
    public String update(){
        return "user/update";
    }

    @RequestMapping("/tologin")
    public String toLogin(){
        return "login";
    }


    @RequestMapping("/login")
    public String login(String username,String password,Model model){
        //获取当前用户
        Subject subject = SecurityUtils.getSubject();
        //封装用户的登录数据
        UsernamePasswordToken token = new UsernamePasswordToken(username, password);
        try {
            subject.login(token);//执行登录
            return "index";
        } catch (UnknownAccountException e) {
            e.printStackTrace();
            model.addAttribute("msg","用户名错误！");
            return "login";
        }catch (IncorrectCredentialsException e){
            model.addAttribute("msg","密码错误！");
            return "login";
        }
    }

    @RequestMapping("/noauth")
    @ResponseBody
    public String Unauthorized(){
        return "未经授权无法访问";
    }

    @RequestMapping("/logout")
    public String logout(Model model){
        Subject subject = SecurityUtils.getSubject();
        subject.logout();
        model.addAttribute("msg","退出！");
        return "index";
    }
}
